Best Drill Bits For Drilling Steel (2024 Update)
If you're looking for the best drill bits for drilling steel, there are a few factors to consider before making your purchase. First and foremost, you'll want to ensure that the drill bits are made from high-speed steel or cobalt to withstand the hardness and heat resistance of steel. Additionally, the size and length of the drill bit should match the task at hand, as a larger bit may cause unnecessary stress on the drill or produce larger holes than needed.
When choosing the best drill bits for drilling steel, it's important to consider the type of steel you'll be drilling and the level of precision required. For softer steel, a standard twist drill bit may be sufficient, while harder steel may require a carbide-tipped or diamond drill bit. Additionally, if you require more accurate drilling, you may want to opt for a center drill bit to create a starting point for the drill to follow.
Are you tired of going through multiple drill bits while trying to drill through steel? Check out our guide to finding the best drill bits for drilling steel that will save you time and frustration. Is precision drilling a priority for your project? We've got you covered with tips on choosing the right drill bit for the job. Don't settle for subpar drill bits – invest in the best for efficient and effective drilling.
10 Best Drill Bits For Drilling Steel
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Ideal for drilling multiple hole sizes in sheet aluminium, metal and wood for DIY enthusiasts, with titanium high-speed steel material.
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Ideal for professionals cutting and drilling multiple holes on stainless steel, metal sheet, and steel with a spiral step design.
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This drill bit set is ideal for drilling into hard metals, stainless steel, cast iron, wood, and plastics.
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The product is ideal for drilling into both metal and wood surfaces, with a range of sizes from small to large.
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This product is ideal for drilling holes in various materials with precision and speed using a 135-degree split point.
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The product is ideal for drilling through tough materials such as steel, stainless steel, hard metal, cast iron, plastic and wood.
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Ideal for heavy duty drilling in materials with reduced shank requirements, ranging from 9/16" to 1" in size.
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Ideal for drilling through tough materials such as hard metal, hardened stainless steel, and cast iron.
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Ideal for drilling large diameter holes in tough materials with precision and extended durability.
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Ideal for DIY enthusiasts and sheet metal workers who need to drill multiple holes in different sizes with ease.
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1. Zelcan Titanium Step Drill Bit Set.
Introducing the Durable Titanium Coated Step Drill Bit, the perfect tool for efficient and precise hole-drilling performance. Made from upgraded high-speed steel, this step drill bit boasts well-balanced toughness, wear resistance, and red hardness properties. The titanium coating further enhances its durability, ensuring that it lasts for years with uncompromised quality.
Say goodbye to jammed bits and metal fillings flying around with the dual-flute design of this step drill bit. Its design clears chips faster and prevents jamming, allowing for smooth and efficient drilling without heating up.
The Rapid Strike Tip feature of this step drill bit ensures faster drilling, allowing it to drill twice as fast as the average step drills. It is also compatible with various materials such as acrylic, PVC, wood, aluminum, and iron sheets up to 0.2’’ in thickness.
Unlike other drill bits, this step drill bit is larger in size, making it perfect for drilling holes with larger dimensions. And with 12 hole sizes ranging from 6mm to 60mm, this drill bit is a one-stop-shop tool that saves you time and effort when changing bits. Its efficiency is quadrupled compared to the competition.
Invest in the Durable Titanium Coated Step Drill Bit and experience hassle-free drilling performance.
2. Zelcan Spiral Step Drill Bit – Pro Grade
Looking for a drill bit set that won't let you down? Look no further than this set of Durable and Sturdy Cobalt-Added Drill Bits. Constructed from high-speed M35 molybdenum steel, these bits are built to last. Cobalt has been added to the mix to provide extra durability, making these drill bits close to impossible to snap compared to conventional bits.
But that's not all. These drill bits also feature a unique 3-sided shank design that prevents slipping in the drill chuck and reduces shocks. To ensure maximum service life, the manufacturer recommends oiling the bits before every use.
When it comes to performance, these drill bits won't disappoint. The dual-flute design and three-sided shank are optimized for use with cordless drills in high-speed mode. This provides greater speed and control while minimizing steel scurf flying around. To lengthen the service life of the bits, it's important not to set drilling speed at its maximum to avoid damaging the cutting edge.
With this set, you won't have to worry about constantly changing bits. Each bit comes with 10 different sizes, allowing you to drill up to 10 holes with different diameters. And with 5 bits included in every package, that's a total of 50 diameters in all.
These drill bits are designed for use with steel sheets up to 0.08 inches thick, acrylic, PVC, and wooden boards up to 0.2 inches thick. They're marked with obvious sizes for easy and precise hole drilling, and are compatible with drills that have a 1/4 inch, 3/8 inch, or 1/2 inch chuck.
In short, if you're looking for a versatile, durable, and high-performing drill bit set, this Durable and Sturdy Cobalt-Added Drill Bit Set is an excellent choice.
3. Comoware 115-Piece Cobalt Drill Set
This set of drill bits is a must-have for any DIY enthusiast or professional. With 115 pieces included, it has everything needed to get the job done right. The set boasts 29 fractional size bits ranging from 1/16” to 1/2” in 1/64th increments, 26 letter size bits from A to Z, and 60 numbered size bits from #1 to #60.
Made from HSS with 5% cobalt, this set is highly durable and offers higher heat and abrasion resistance. The precise 135° split point and twist design ensures that the bits won't wander, and clears chips and particles faster than other bits.
This set is perfect for cutting through hard metals such as stainless steel, cast iron, high temperature alloy, and titanium alloy. It is also suitable for cutting through hard plastics and woods, as well as softer materials. The M35 cobalt HSS is more suitable for hardened materials, making it a versatile and reliable choice for any project.
The set comes with an organized holder, including a size index for easy storage and organizing. This feature makes it easy to keep track of the bits and ensures that they are always within reach when needed.
4. Titanium Power Drill Set – 230 Pieces
This full-size set kit is perfect for those who need a range of drill bits for a variety of materials. The kit includes drill bits ranging from 3/64-inch to 1/2-inch, all housed in a durable plastic case for easy storage and transport.
What sets these drill bits apart is their titanium coating, which reduces heat buildup and extends the lifespan of the bits. In fact, they last six times longer than conventional bits, making them a great investment for any DIY enthusiast or professional.
These multipurpose drill bits are ideal for drilling into a range of materials, including metal, wood, fiber glass, and plastics. It's important to note that they are not recommended for use on concrete or masonry.
The kit is well-organized, with all sizes indexed on a tray to keep all components organized. Additionally, there is a sponge cushion between the upper and lower halves of the case to prevent the bits from straggling and mixing.
The drill bits are manufactured from high-speed steel, ensuring strength and durability. This premium material is a testament to the quality of the bits and ensures that they will hold up over time.
5. Precision Metric Drill Bit Set With Case
This set of 25 jobber length drill bits is an excellent addition to any tool collection. The set includes metric sizes ranging from 1.0 to 13.0 mm in 0.5 mm increments, making it easy to find the right size for any job.
The drill bits are made from high-quality cobalt steel, which offers extended tool life compared to high-speed steel drill bits when drilling hard materials. This means you can rely on them for long-lasting use without having to replace them frequently.
The gold oxide finish on the drill bits lubricates and provides wear resistance on ferrous materials, making them ideal for use on metal surfaces. This finish also adds a touch of durability to the bits, ensuring they can withstand heavy use.
Additionally, the self-centering 135-degree split point design of the drill bits helps to penetrate hard material without a pilot hole. The design also produces small chips, which reduces clogging and helps to keep the drill bits running smoothly.
The drill bits conform to DIN 338 standard overall length and flute length specifications, ensuring they meet industry standards for quality and performance.
Best of all, this set of drill bits is made in the USA, so you can trust that they are made with high-quality materials and expert craftsmanship.
6. Amoolo M35 Hss Drill Bit Set: Versatile Metal & Wood Drilling
The M35 Cobalt High Speed Steel Drill Bit Set is a top-quality industrial grade set that is much harder than the usual HSS used in similar drill bit sets. These drill bits are made of 5% cobalt, which increases their wear-resistance and durability. This complete combo set includes the 13 most commonly-used sizes of jobber length industrial drill bits for metal drilling, ranging from 1/16" to 1/4". They fit the majority of power drills currently on the market and come with a portable plastic case for easy storage and organization.
One of the key features of this drill bit set is its precise and efficient drilling performance. It boasts a fully ground spiral groove design that clears particles quickly, decreases friction, and heat for faster and cooler drilling performance. Its 135° Split Point with a round straight shank prevents walking and makes drilling precise and faster. This means that there is no need for a center punch.
The M35 Cobalt High Speed Steel Drill Bit Set is versatile and suitable for cutting through hard metals such as stainless steel, steel, sheet metal, and cast iron, as well as plastic, aluminum alloy, wood, and other softer metals. However, it is important to pay attention to speed, pressure, and heat control during drilling to ensure optimal performance.
At Amoolo, customer satisfaction is a top priority. This drill bit set comes with a 90-day hassle-free warranty policy, guaranteeing an exchange or refund for any product defect. So, customers can purchase this set with confidence.
7. Superior Quality Heavy Duty Drill Bit Set
The 8 Piece Set of Reduced Shank Drill Bits is a must-have for anyone who works with a variety of materials in the iron and steel families such as aluminum, iron, stainless steel, and other hard metals. These drill bits are manufactured from M2 premium grade high-speed steel, ensuring durability and toughness for even the toughest jobs.
The 135-degree split point tip of these drill bits allows for self-centering and reduces thrust, allowing for more precise and accurate drilling. The black and gold surface treatment ensures that these drill bits can be used for stainless steel and other hard metal drilling.
The Reduced Shank Drills in this set expand the size range capacity of a portable drill chuck, providing users with more versatility and flexibility. These drill bits feature a common flute and overall length, making them easy to use and requiring minimal adjustments during tool changes.
With an 8 Piece Set of Reduced Shank Drill Bits, users can tackle a wide range of tasks with ease and confidence. These drill bits are perfect for both professionals and DIY enthusiasts who demand high-quality tools that deliver exceptional results. So, if you're looking for a set of drill bits that can handle any job, look no further than this impressive set.
8. Hard Metal Hero Drill Bit Set
Introducing the Lichamp three flute patent design drill bit, engineered for a faster and more efficient drilling experience. The unique 3x flute design clears chips and particles at an accelerated pace, saving you time and effort.
Made from industrial grade M35 high-speed steel with 5% cobalt, this drill bit boasts a 4x lifespan compared to conventional models. It can withstand a maximum temperature of 1100 degreeF, providing exceptional wear resistance and durability.
The Lichamp three flute patent design drill bit is an excellent choice for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel, or cast iron. Its versatility makes it a valuable addition to any toolbox.
Thanks to its 135-degree split point tip and twist design, this drill bit increases cutting speed and ensures self-centering, preventing skating starts or walking. The result is a smooth drilling experience with more accurate results.
This 21-piece drill bit set comes in a metal index case with a size chart for easy bit access and identification. It includes drill bit sizes ranging from 1/16-inch to 3/8-inch in 1/64-inch increments, making it the perfect choice for professionals and DIY enthusiasts alike.
Invest in the Lichamp three flute patent design drill bit set and enjoy a faster, more efficient, and smoother drilling experience.
9. Drill America 33 Piece M35 Cobalt Reduced Shank Drill Bit Set (1/2" – 1" X 64ths), Dwdco Series
Introducing the 33 Piece Set with 1/2" Reduced Shank Drill Bits that are specifically designed to drill through tough and high tensile strength materials such as stainless steel, Inconel, and titanium. With its reduced shank drills, this set expands the size range capacity of a portable drill chuck, making it a versatile addition to any tool kit.
One of the standout features of these drill bits is their 135-degree split point tip. This tip ensures self-centering and reduces thrust, making drilling faster and more efficient. Additionally, the common flute and overall length of the drill bits make for minimal adjustment during tool changes, saving time and effort.
Manufactured to Aerospace Standard 907, these drill bits display high red hardness, allowing for speeds up to 30% greater than with conventional M2 high-speed steel. This means that these drill bits are not only efficient but also durable, making them a wise investment for any professional or DIY enthusiast.
This 33 Piece Set includes a range of sizes to suit different needs, from 1/2" to 1". The sizes included are 1/2", 33/64", 17/32", 35/64", 9/16", 37/64", 19/32", 39/64", 5/8", 41/64", 21/32", 43/64", 11/16", 45/64", 23/32", 47/64", 3/4", 49/64", 25/32", 51/64", 13/16", 53/64", 27/32", 55/64", 7/8", 57/64", 29/32", 59/64", 15/16", 61/64", 31/32", 63/64" and 1".
10. Zelcan Titanium Step Drill Set – 50 Sizes, Aluminum Case
This step drill set boasts high-quality features that make it a must-have for handymen or professionals alike. Constructed from high-speed steel, this set is built to withstand extreme temperatures, ensuring a longer cutting edge life. Additionally, the set is coated with titanium, making it resistant to heat, corrosion, and rust.
One of the standout features of this set is the automatic center punch, which delivers a powerful, spring-loaded strike when pressed against a surface. The cap is adjustable, allowing users to regulate the striking force to fit their needs. This feature is especially useful for those who value precision and accuracy in their work.
The set includes five standard step drill bits that can replace up to 50 individual drill bits, making it a space-saving and cost-effective option. These bits are perfect for drilling holes in materials such as plastic, aluminum, copper, and sheet metal.
Best Drill Bits For Drilling Steel FAQs
Can you use regular drill bits for drilling steel?
Yes, regular drill bits can be used for drilling steel, but it is important to ensure that the drill bit is made from high-speed steel (HSS) or cobalt. These materials are much harder than regular steel, which makes them ideal for drilling through tough metals like steel.
It is also important to choose the right size and type of drill bit for the job. For example, a smaller drill bit may be suitable for drilling smaller holes, while a larger drill bit may be necessary for bigger holes. Additionally, different types of drill bits, such as twist bits, step bits, and hole saws, may be better suited for different types of drilling tasks.
When drilling steel with a regular drill bit, it is important to use a lubricant to reduce heat and friction. This will help prevent the drill bit from becoming too hot and losing its hardness, which can lead to dullness and decreased drilling efficiency.
Overall, while regular drill bits can be used for drilling steel, it is important to choose the right type and size of drill bit, as well as use proper lubrication, to ensure the best results.
How do you choose the right drill bit for steel?
Choosing the right drill bit for steel is crucial for the success of any drilling project. The first step is to determine the type of steel you will be drilling. High-speed steel (HSS) drill bits are generally suitable for drilling low to medium carbon steel. For drilling hardened or stainless steel, cobalt drill bits are the best choice.
The next step is to choose the appropriate size of the drill bit. The size of the drill bit should match the size of the hole that needs to be drilled. It is important to note that the larger the diameter of the drill bit, the slower the drilling speed should be.
When drilling steel, it is important to use a lubricant such as cutting oil or synthetic oil. This helps to reduce heat buildup and prolongs the life of the drill bit.
Finally, it is important to use the correct drilling technique. The drill bit should be held straight and steady while drilling. It is important to not apply too much pressure, as this can cause the drill bit to break.
Overall, choosing the right drill bit for steel requires careful consideration of the type of steel, size of the hole, and appropriate drilling technique.
How do you sharpen drill bits for steel?
Sharpening drill bits for steel is an important skill to have if you want to get the best performance out of your drilling tools. Here are some steps to follow:
1. Get the right tools: You will need a bench grinder, a drill bit sharpening jig, and a set of safety goggles.
2. Secure the jig: The jig should be securely attached to the grinder. This will ensure that the angle of the bit remains constant throughout the sharpening process.
3. Adjust the angle: The angle at which you sharpen your drill bit will depend on the type of steel you are drilling. For general purpose drilling, a 118-degree angle is a good place to start.
4. Start grinding: Turn on the grinder and gently press the bit against the grinding wheel. Move the bit back and forth across the wheel to sharpen evenly. Make sure to keep the bit cool by dipping it in water periodically.
5. Check the angle: Use a protractor to check the angle of the bit. It should be consistent across the entire edge.
6. Test the bit: Once you've finished sharpening, test the bit on a piece of scrap steel. If it cuts cleanly and easily, you've done a good job.
Remember to always wear safety goggles when using a grinder, and to keep the bit cool to avoid overheating and damaging the metal.
How long do drill bits for steel last?
The lifespan of drill bits for steel mainly depends on several factors. The quality of the bit, the frequency of use, and the type of steel being drilled are some of the factors that determine the lifespan of drill bits.
High-quality drill bits made from cobalt or carbide tend to last longer than those made from high-speed steel. The frequency of use is also significant because excessive use can cause the bits to dull more quickly. Using the right drill bit for the type of steel being drilled is also essential. Harder steel requires a more durable bit, and drilling at the correct speed and pressure can also prolong the lifespan of the bit.
On average, a well-maintained and high-quality drill bit for steel can last between 6 months to a year or more, depending on the usage. However, it is always best to inspect the bit regularly for signs of wear and replace it promptly to ensure efficient and safe drilling.
What are the benefits of using carbide drill bits for steel?
Carbide drill bits are widely used in the metalworking industry for drilling through hard materials like steel. The main benefits of using carbide drill bits for steel are their superior hardness, high wear resistance, and excellent heat resistance. Carbide is a compound of tungsten and carbon that is extremely hard and can withstand high temperatures without losing its cutting edge.
Carbide drill bits for steel offer longer tool life, which means they last longer without getting dull. This helps to reduce the number of tool changes required during the drilling process, which can save time and money. Additionally, carbide drill bits can drill through steel at a faster rate compared to other types of drill bits, which can also save time and increase productivity.
Carbide drill bits also produce smoother, cleaner, and more accurate holes in steel, which is important in many applications. They are also less likely to break or chip during drilling, which reduces the risk of damage to the workpiece and the operator. Overall, using carbide drill bits for steel offers significant benefits in terms of performance, efficiency, and cost-effectiveness.
What are the best drill bits for drilling through steel?
When it comes to drilling through steel, choosing the right drill bit is crucial for achieving accurate and efficient results. The best drill bits for drilling through steel are those made of high-speed steel (HSS) or cobalt. HSS drill bits are designed to withstand high temperatures and are suitable for drilling through softer steel materials. On the other hand, cobalt drill bits are made of a combination of HSS and cobalt, making them more durable and effective for drilling through harder steel materials.
Another factor to consider when choosing drill bits for steel is the type of coating. Titanium-coated drill bits are a popular option as they are resistant to heat and friction, allowing for smoother and faster drilling. Black oxide-coated drill bits are also a good choice as they provide increased durability and can withstand high temperatures.
It's important to note that the size and shape of the drill bit should also be considered based on the specific job requirements. For instance, a twist drill bit is suitable for general drilling tasks, while a step drill bit is ideal for drilling through thicker sheets of steel.
Overall, selecting the best drill bits for drilling through steel depends on the type of steel material and the specific job requirements. It's best to consult with a professional or refer to the manufacturer's specifications to ensure you have the right drill bit for the job.
What features should you look for in a drill bit for steel?
When it comes to drilling steel, you need to choose the right drill bit to ensure efficiency and accuracy of the task. Here are some features to look for in a drill bit for steel:
1. Material: Look for drill bits made of high-speed steel (HSS) or cobalt. These materials can withstand the high heat generated during drilling and have a longer lifespan.
2. Coating: Consider drill bits with a coating made of titanium or black oxide. These coatings reduce friction and heat buildup, which can result in smoother and faster drilling.
3. Point angle: Choose a drill bit with a point angle of 135 degrees. This angle is ideal for drilling through tough materials like steel.
4. Flute design: A fluted design helps to remove chips and debris during drilling, preventing the bit from overheating and breaking.
5. Size: Ensure that you choose the right size of drill bit for the job. A larger bit may remove material faster, but a smaller bit is more precise.
By considering these features, you can select the right drill bit for steel and achieve a clean and accurate drilling result.
What is the best brand of drill bits for steel?
When it comes to drilling through steel, it's important to have high-quality drill bits that can handle the tough material without breaking or dulling too quickly. There are many brands of drill bits on the market, but some stand out for their superior performance on steel.
One of the top brands for steel drilling is DeWalt. Their drill bits are made from high-speed steel with a titanium coating, which makes them durable and resistant to wear. Their split-point design also helps prevent slipping and walking, ensuring greater accuracy in your drilling.
Another brand to consider is Milwaukee. Their Shockwave line of drill bits is specifically designed for impact drivers, making them ideal for heavy-duty drilling on steel. They're made from high-speed steel with a black oxide coating for added durability and have a precise 135-degree split point for better accuracy.
Other brands to consider include Bosch, Irwin, and Norseman. Ultimately, the best brand of drill bits for steel will depend on your specific needs and preferences. Consider factors such as price, durability, and performance when making your decision.
What is the difference between high-speed steel and cobalt drill bits for steel?
High-speed steel (HSS) and cobalt drill bits are both commonly used for drilling through tough materials like steel. However, there are some key differences between the two.
HSS drill bits are made from a high-carbon steel that contains additional elements like tungsten, molybdenum, and chromium. This composition makes them strong and durable, but they can still become dull quickly when drilling through harder materials like steel. HSS bits are best suited for drilling through softer metals, plastics, and wood.
On the other hand, cobalt drill bits are made from a high-speed steel alloy that contains 5-8% cobalt. This cobalt content increases the strength and durability of the bit, allowing it to drill through tougher materials like stainless steel, cast iron, and titanium. Cobalt bits also have a higher heat resistance, which helps prevent them from becoming dull due to overheating.
In summary, HSS drill bits are ideal for drilling through softer metals and materials, while cobalt drill bits are better suited for drilling through harder materials like steel.
What size drill bit is best for drilling steel?
When it comes to drilling steel, the size of the drill bit is an important consideration. Generally, a high-speed steel (HSS) drill bit is best for drilling through steel. For drilling small holes (up to 1/8 inch in diameter), a 1/32 inch to 1/8 inch drill bit is the best choice. For larger holes, a 1/4 inch to 1/2 inch drill bit can be used.
It's important to note that the size of the drill bit needed will depend on the thickness of the steel being drilled. Thicker steel will require a larger drill bit. Additionally, the type of steel being drilled can also affect the size of the drill bit needed. Harder steel will require a larger and stronger drill bit to penetrate the surface.
It's always a good idea to use a lubricant when drilling through steel to reduce heat and friction. This will help prolong the life of the drill bit and make the drilling process smoother. With the right drill bit size and lubrication, drilling through steel can be a straightforward and efficient task.
